Special schurian vector space categories and l-hereditary right QF-2 rings D. Simson — 1985 Commentationes Mathematicae The article contains no abstract
On rings whose flat modules form a Grothendieck category J. Garcia; D. Simson — 1997 Colloquium Mathematicae
Brown’s theorem for cohomology theories on categories for chain complexes D. Simson; A. Tyc — 1975 Commentationes Mathematicae The article contains no abstract